Retrospective

Efficacy of Technetium Tc 99m Pyrophosphate Imaging in Patients With Equivocal Myocardial Infarction

Authors: THOMAS A. POWERS MD, JANE L. TYLER MD, MADAN V. KULKARNI MD

Abstract

ABSTRACTWe studied the efficacy of technetium Tc 99m pyrophosphate imaging in patients with equivocal evidence of acute myocardial infarction. Only patients with positive enzyme findings (regardless of ECG findings) had scans with ≥2 + focal uptake. None of 26 patients with negative or equivocal enzyme findings (regardless of ECG findings) had >2+ diffuse uptake. These results support the contention that infarct-avid imaging has little clinical utility in patients with equivocal evidence of myocardial infarction.

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References